11650128073 has 16 divisors (see below), whose sum is σ = 12314750976. Its totient is φ = 11003947920.

The previous prime is 11650128013. The next prime is 11650128143. The reversal of 11650128073 is 37082105611.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11650128073 - 2²⁹ = 11113257161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11650128013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2539740 + ... + 2544322.

It is an arithmetic number, because the mean of its divisors is an integer number (769671936).

Almost surely, 2^11650128073 is an apocalyptic number.

It is an amenable number.

11650128073 is a deficient number, since it is larger than the sum of its proper divisors (664622903).

11650128073 is a wasteful number, since it uses less digits than its factorization.

11650128073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6564.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 11650128073 in words is "eleven billion, six hundred fifty million, one hundred twenty-eight thousand, seventy-three".